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Finding the Fourth Proportional to 33,993.66, 46,914.20 and 18,886.05

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Solution

The fourth proportional to 33,993.66, 46,914.20 and 18,886.05 is: 26,064.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,993.66 : 46,914.20 = 18,886.05 : x
  2. Step 2: Convert to fraction form
    33,993.66/46,914.20 = 18,886.05/x
  3. Step 3: Cross multiply
    33,993.66x = 46,914.20 × 18,886.05
  4. Step 4: Simplify right side
    33,993.66x = 886,023,926.91
  5. Step 5: Solve for x
    x = 886,023,926.91/33,993.66
  6. Step 6: Final answer
    x = 26,064.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.